Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHRYSLER2005CROSSFIRE LIMITED, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMDTCS P0128 TO P0141DIAGNOSIS AND TESTING(P0138) O2 SENSOR 1/2 CIRCUIT OPENWHEN MONITORED AND SET CONDITION
2005 Chrysler Crossfire Limited, 2D Coupe, Standard
When Monitored and Set Condition
2005 Chrysler Crossfire Limited, 2D Coupe, StandardSECTION When Monitored and Set Condition
- When Monitored: With the engine running between 1000 and 2000 RPM, engine load between 15% to 50%, closed loop mode, the three way catalytic converter temperature is greater than 380°C (716°F), and the O2 sensor heater must be ON for at least 220 seconds to enable the signal inactive portion of the test.
- Set Condition: O2 Sensor voltage is less than 0.15 volt for approximately 5 seconds. Signal stays at center: The O2 Sensor voltage stays between 0.4 and 0.6 volt for more than approximately 15 seconds after the O2 Sensor heater has been ON for at least 220 seconds.
| Possible Causes |
| O2 SENSOR SIGNAL CIRCUIT OPEN |
| O2 SENSOR SIGNAL CIRCUIT SHORT TO GROUND |
| O2 SENSOR GROUND CIRCUIT OPEN |
| ENGINE EXHAUST LEAK |
| O2 SENSOR |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.